<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="新闻标题" prop="newTitle">
        <el-input
          v-model="queryParams.newTitle"
          placeholder="请输入新闻标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="所属模块" prop="newsModel">
        <el-select v-model="queryParams.newsModel" placeholder="请选所属模块">
          <el-option
            v-for="dict in dict.type.model_name"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          ></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="发布人" prop="publishUserName">
        <el-input
          v-model="queryParams.publishUserName"
          placeholder="请输入发布人"
          clearable
          @keyup.enter.native="handleQuery"
        />

      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:news:add']"
        >新增</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="newsList" @selection-change="handleSelectionChange">
      <el-table-column label="序号" type="index" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>
      <el-table-column label="新闻标题" align="center" prop="newTitle" />
      <el-table-column label="所属模块" align="center" prop="newsModel">
        <template slot-scope="scope">
          {{formateModel(scope.row.newsModel)}}
        </template>
      </el-table-column>
      <el-table-column label="缩略图" align="center" prop="newsImage" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.newsImage" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="发布人" align="center" prop="publishUserName" />
      <el-table-column label="语言" align="center" prop="newLang">
        <template slot-scope="scope">
          {{scope.row.newLang=="zh-CN"?"中文":"英文"}}
        </template>
      </el-table-column>
      <el-table-column label="是否首推" align="center" prop="newLang">
        <template slot-scope="scope">
          {{scope.row.isFirst=="0"?"否":"是"}}
        </template>
      </el-table-column>
      <el-table-column label="指数新闻" align="center" prop="newLang">
        <template slot-scope="scope">
          {{scope.row.isIndex=="0"?"否":"是"}}
        </template>
      </el-table-column>
      <el-table-column label="发布时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="新闻链接" align="center" prop="newsPath">
        <template slot-scope="scope">
          <span v-if="scope.row.isFirst== 1">
              {{ scope.row.newsPath }}
            </span>
        </template>

      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:news:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:news:remove']"
          >删除</el-button>
          <el-button
            v-if="scope.row.recommendType === 0"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="recommendationNews(scope.row)"
            v-hasPermi="['system:news:recommendation']"
          >推荐</el-button>
          <el-button
            v-else
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="cancelRecommendationNews(scope.row)"
            v-hasPermi="['system:news:recommendation']"
          >取消推荐</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改新闻管理对话框 -->
    <el-dialog v-if="open" :title="title" :visible.sync="open" width="45%" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="语言" prop="newLang">
          <el-radio-group v-model="form.newLang">
            <el-radio label="zh-CN">中文</el-radio>
            <el-radio label="en">英文</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="是否首推" prop="isFirst">
          <el-radio-group v-model="form.isFirst">
            <el-radio label="1">是</el-radio>
            <el-radio label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="是否指数新闻" prop="isIndex">
          <el-radio-group v-model="form.isIndex">
            <el-radio label="1">是</el-radio>
            <el-radio label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="发布时间" prop="createTime">
          <el-date-picker
            v-model="form.createTime"
            type="datetime"
            placeholder="选择时间"
            value-format="timestamp">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="新闻链接" v-if="form.isFirst == 1">
         {{form.newsPath}}
        </el-form-item>
        <el-form-item label="发布人" prop="publishUser">
          <el-select v-model="form.publishUser" placeholder="请输入发布人" clearable>
            <el-option v-for="item in userList" :key="item.userId" :label="item.nickName"
                       :value="item.userId" />
          </el-select>
        </el-form-item>
        <el-form-item label="新闻标题" prop="newTitle">
          <el-input v-model="form.newTitle" placeholder="请输入新闻标题" maxlength="300"/>
        </el-form-item>
        <el-form-item label="所属模块" prop="newsModel">
          <el-select v-model="form.newsModel" multiple placeholder="请选所属模块">
            <el-option
              v-for="dict in dict.type.model_name"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="缩略图" prop="newsImage">
          <image-upload v-model="form.newsImage" :suggestSize="'720*434'" :limit="1"/>
        </el-form-item>
        <el-form-item label="新闻内容" prop="newContent">
          <!-- <editor ref="editor" v-model="form.newContent" :min-height="192"/> -->
          <wangEditor v-model="form.newContent" :min-height="240" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listNews, getNews, delNews, addNews, updateNews, recommendationNews, cancelRecommendationNews } from "@/api/system/news";
import { getSelectUser} from "@/api/system/user";

export default {
  name: "News",
  dicts: ['model_name'],
  data() {
    return {
      userList:[],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 新闻管理表格数据
      newsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        newTitle: null,
        newsModel: null,
        newsImage: null,
        newContent: null,
        publishUser: null,
        newLang: null,
      },
      // 表单参数
      form: {
        newLang:"zh-CN",
        isFirst:"0",
        isIndex:"0"
      },
      // 表单校验
      rules: {
        newLang: [
          { required: true, message: "语言不能为空", trigger: "blur" },
        ],
        publishUser: [
          { required: true, message: "发布人不能为空", trigger: "blur" },
        ],
        newTitle: [
          { required: true, message: "标题不能为空", trigger: "blur" },
        ],
        newsModel: [
          { required: true, message: "所属模块不能为空", trigger: "blur" },
        ],
        newsImage: [
          { required: true, message: "缩略图不能为空", trigger: "blur" },
        ],
        newContent: [
          { required: true, message: "新闻内容不能为空", trigger: "blur" },
          // {
          //   validator:(rule, value, callback)=>{
          //     let length = this.$refs.editor.Quill.getLength();
          //     if (length<=1){
          //       callback("新闻内容不能为空");
          //     }else {
          //       callback();
          //     }
          //   }
          // }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getUserList();
  },
  methods: {
    getUserList(){
      getSelectUser().then((res) => {
        this.userList = res.data
      })
    },
    /** 查询新闻管理列表 */
    getList() {
      this.loading = true;
      listNews(this.queryParams).then(response => {
        this.newsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        newTitle: null,
        newsModel: null,
        newsImage: null,
        newContent: null,
        publishUser: null,
        newLang: "zh-CN",
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null,
        isFirst:"0",
        isIndex:"0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加新闻管理";
      this.getUserList();
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getUserList();
      const id = row.id || this.ids
      getNews(id).then(response => {
        this.form = response.data;
        if (this.form.newsModel){
          this.form.newsModel = this.form.newsModel.split(",");//Array.from(this.form.newsModel);
        }
        this.open = true;
        this.title = "修改新闻管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      // console.info(this.$refs.editor.Quill.getLength())
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.newsModel){
            this.form.newsModel = this.form.newsModel.join(",");
          }
          if (this.form.id != null) {
            updateNews(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addNews(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    formateModel(model) {
      let modelArr = model.split(",");
      let resultArr = [];
      modelArr.forEach((value)=>{

        this.dict.type.model_name.forEach((modelname)=>{
          if (modelname.value == value){
            resultArr.push(modelname.label)
          }
        })

      });
      console.info(this.dict.type.model_name);
      return resultArr.join(",");
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除新闻数据项？').then(function() {
        return delNews(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/news/export', {
        ...this.queryParams
      }, `news_${new Date().getTime()}.xlsx`)
    },
    /** 推荐 */
    recommendationNews(row) {
      const id = row.id
      recommendationNews(id).then(response => {
        this.getList();
      });
    },
    /** 取消推荐 */
    cancelRecommendationNews(row) {
      const id = row.id
      cancelRecommendationNews(id).then(response => {
        this.getList();
      });
    }
  }
};
</script>
